package com.sky.controller.admin;


import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishItemVO;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@Slf4j
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;


    /*
    *
    * 新增菜品
    *
    * */
    @PostMapping
    @ApiOperation(value = "新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {

        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理redis中的缓存
        String key = "dish_" + dishDTO.getCategoryId();
        cleanCache(key);

        return Result.success();
    }


    /*
    *
    * 菜品分页查询
    *
    * */
    @GetMapping("/page")
    @ApiOperation(value = "菜品分页查询")
    public Result<PageResult> pageQuery(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询");
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /*
    *
    * 批量删除菜品
    *
    * */
    @DeleteMapping
    @ApiOperation(value = "批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("批量删除菜品：{}",ids);
        dishService.deleteBatch(ids);

        //清理redis中的缓存
        cleanCache("dish_*");

        return Result.success();
    }

    /*
    *
    * 根据菜品id查询菜品
    *
    * */
    @GetMapping("/{id}")
    @ApiOperation(value = "根据菜品id查询菜品")
    public Result<DishVO> queryById(@PathVariable Long id) {
        log.info("根据菜品id查询菜品：{}",id);
        DishVO dishVO = dishService.queryById(id);
        return Result.success(dishVO);
    }

    /*
     *
     * 修改菜品
     *
     * */
    @PutMapping
    @ApiOperation(value = "修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}",dishDTO);
        dishService.update(dishDTO);

        //清理redis中的缓存
        cleanCache("dish_*");


        return Result.success();
    }


    /*
    *
    * 修改菜品起售、停售状态
    *
    * */
    @PostMapping("/status/{status}")
    @ApiOperation(value = "修改菜品起售、停售状态")
    public Result updateStatusById(Long id,@PathVariable Integer status) {
        log.info("根据菜品ID修改菜品起售、停售状态：{}，{}",id,status);
        dishService.updateStatusById(id,status);

        //清理redis中的缓存
        cleanCache("dish_*");

        return Result.success();
    }


    /*
    *
    * 根据分类id查询菜品
    *
    * */
    @GetMapping("/list")
    @ApiOperation(value = "根据分类id查询菜品")
    public Result<List<Dish>> queryByCategoryId(Long categoryId) {
        log.info("根据分类id查询菜品：{}",categoryId);
        List<Dish> dishes = dishService.queryByCategoryId(categoryId);
        return Result.success(dishes);
    }

    //清理缓存数据
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
